Weather overview
Базель-Штадт enjoys a temperate climate with distinct seasons, making it a year-round destination with something different to offer each season. Winters here are chilly but rarely extreme, while summers bring warm, pleasant weather ideal for exploring the city’s outdoor spaces.
From November to February, Базель-Штадт experiences cooler temperatures, with occasional frost and light snow. Spring arrives gradually, with March and April bringing milder days and longer sunlight hours. By May, the city fully awakens, offering comfortable conditions for sightseeing and riverside walks.
The warmest months in Базель-Штадт are June, July, and August, when temperatures often reach 25–27 °C. Autumn begins in September, with cooler air and golden foliage, while October and November see a return to cooler, wetter weather.
Temperature
In Базель-Штадт, temperatures vary significantly throughout the year, reflecting the city’s continental influences. The coldest month is January, with average highs of 6.4 °C and lows around 0.3 °C, while July is the warmest, with daytime temperatures often reaching 27 °C.
Spring in Базель-Штадт starts cool, with March averaging 7.5 °C, but by May, temperatures rise to a comfortable 14.7 °C. Summer brings the most consistent warmth, with June and August hovering around 20 °C, though nights remain mild at 14–15 °C.
Autumn arrives quickly in Базель-Штадт, with September still warm at 16.5 °C, but by November, temperatures drop to 6.3 °C. The transition from summer to winter is gradual, with October offering a mix of crisp mornings and mild afternoons around 12 °C.
| Month | Minimum | Maximum |
|---|---|---|
| January | 0.3 | 6.4 |
| February | 1.5 | 9.4 |
| March | 3 | 13.1 |
| April | 5.2 | 16.8 |
| May | 9.5 | 20.2 |
| June | 14.3 | 25.8 |
| July | 15.4 | 27 |
| August | 15.3 | 26.7 |
| September | 11.6 | 22.2 |
| October | 8 | 16.8 |
| November | 3.5 | 9.6 |
| December | 1 | 6.6 |
Precipitation
Базель-Штадт receives steady rainfall throughout the year, though the wettest period is late spring and early summer. May sees the highest precipitation at 94.5 mm, often in the form of frequent but brief showers. June and August also bring significant rainfall, averaging 80–88 mm.
Winter months in Базель-Штадт are drier, with February recording the least precipitation at 38.3 mm. Snow is rare but possible in December and January, though it usually melts quickly. Autumn months like September and October see moderate rainfall, averaging 65–68 mm.
Despite the rain, Базель-Штадт enjoys a fair amount of sunshine, especially in summer. July has the longest days, with up to 8.1 hours of sunshine, while December is the gloomiest, averaging just 1.5 hours per day. Even in wetter months, rain rarely disrupts plans for long.
| Month | Precipitation |
|---|---|
| January | 54.4 |
| February | 38.3 |
| March | 49.9 |
| April | 51.5 |
| May | 94.5 |
| June | 80.8 |
| July | 73.9 |
| August | 88.7 |
| September | 65 |
| October | 67.9 |
| November | 65.2 |
| December | 60.5 |
What to pack
For a trip to Базель-Штадт in winter, pack warm layers, including a coat, scarf, and gloves, as temperatures can drop near freezing in January and February. Waterproof shoes are useful for occasional rain or slush, while a compact umbrella will help with light showers.
Spring and autumn in Базель-Штадт call for versatile clothing. In March and April, a light jacket or sweater is ideal, while May and September may require only a light layer for cooler evenings. A waterproof jacket is recommended for October and November, when rain becomes more frequent.
Summer in Базель-Штадт is warm but not extreme, so lightweight clothing, sunglasses, and sunscreen are essential. Evenings can be cool, so a light sweater or shawl is useful. Comfortable walking shoes are a must year-round, as the city’s cobblestone streets and riverside paths are best explored on foot.
| Month | Wind speed |
|---|---|
| January | 2.3 |
| February | 2.5 |
| March | — |
| April | 1.9 |
| May | 1.8 |
| June | 1.6 |
| July | 1.7 |
| August | 1.5 |
| September | 1.5 |
| October | 1.8 |
| November | 2 |
| December | 2.4 |